Custom sites & apps
Premium marketing sites & complex mobile apps
On quote
- Bespoke UI/UX design
- iOS & Android apps
- Advanced API integrations
- Product coaching
N°01 — Datafuse Studio
Paris · MMXXVI
Web apps.
Handcrafted, shipped in 15 days.
Datafuse is a Paris studio designing web apps, mobile products and AI interfaces. We build products conceived like editorial objects — precise, durable, without unnecessary emphasis.
- 15days
- From brief to deployment.
- 5,000€
- All-inclusive MVP flat rate.
- 47reviews
- Average rating 4.9/5.
- 100%
- Source code handed to client.
4.9 / 5 — 47 reviewsSIREN 883 786 915Available January 2026
NotionVercelStripeLinearFramerFigmaSupabaseOpenAINotionVercelStripeLinearFramerFigmaSupabaseOpenAI
Pricing
Clear pricing, built for speed.
Three offers that cover the whole lifecycle of your digital product: from AI prototype to long-term maintenance.
Most chosen
MVP & Web App in 15 days
Flagship offer — AI option included
€5,000excl. VAT
- Working Web App shipped in 15 days
- AI integration (GPT / Claude / Gemini)
- Modern, responsive design
- Database + authentication
- 100% source code handed over
- Production deployment included
Hosting & Maintenance
Peace of mind, security and ongoing evolutions
€80/ month
- High-performance EU hosting
- Security patches & updates
- Daily backups
- Priority technical support
Case studies
Products built for speed and performance.
Client reviews
They trusted us — and said so.
4.9/5 · 47 verified reviews
« Datafuse shipped our AI MVP in 14 days flat. Result: first funding round signed 2 months later. A rare execution partner. »
Marc Lefèvre
CEO, NeuralDesk
« A top-tier technical team, clean and documented code, and a real product sense. Our mobile app is rated 4.8/5 on the stores. »
Sophie Chen
Founder, FitPulse
« We tested 3 agencies before Datafuse. The only one that hit the deadline AND the quality bar. Our platform loads in under a second. »
Julien Barrat
CTO, ClearCRM
« Excellent AI integration on our back-office: document processing time divided by 4. ROI reached in less than 3 months. »
Claire Rousseau
Digital Director, Alpen Group
« Speed, listening, technical expertise. The €80/month maintenance is total peace of mind — I never think about infra again. »
Thomas Vidal
Founder, Studio Nova
« A real Paris studio that talks product before code. Rare and precious. Highly recommend to any European startup. »
Amélie Dubois
Product Owner, Fintech Paris
About
Datafuse Studio — A tech partner, not just a vendor.
From Paris, we help startups, mid-market companies and entrepreneurs move from idea to production without compromising on quality. Our positioning: a Paris-based web app development studio specialized in AI, MVPs and mobile applications for teams across Europe.
We put AI at the service of your product roadmap: business chatbots, recommendation, document extraction, internal copilots. Every project ships with the source code, documentation, and a knowledge-transfer session.
Execution speed
15-day sprints, proven methodology, incremental releases. No fluff — working code.
Source-code quality
Modern stack (React, TypeScript, TanStack, Supabase), tests, systematic reviews and documentation.
Security & GDPR
EU hosting, end-to-end encryption, security audit and GDPR compliance by design.
Journal & Resources
Product, AI and web development insights.
Field reports and practical guides to make the right technology choices for your MVP or SaaS.
Product strategy
6 min read
Why ship an MVP in 15 days to validate your market?
The 15-day MVP has become the fastest way to validate product-market fit without burning through runway. Here's why and how.
Read the articleAI & Tech
8 min read
How AI is transforming Web Apps in 2026
GPT, embeddings, RAG, autonomous agents — a concrete map of the AI integrations that deliver real business value in 2026 Web Apps.
Read the articleDevOps
5 min read
Why rigorous application maintenance always matters
Security, dependencies, monitoring, backups — why application maintenance is never optional and how to structure it.
Read the articleSEO
9 min read
Technical SEO in 2026: what really ranks a Web App
Core Web Vitals, SSR, structured data, INP, JavaScript indexing — the 2026 technical SEO guide for Web Apps and SaaS that want page-one Google rankings.
Read the articleSecurity
7 min read
SaaS cybersecurity: the 2026 checklist to sleep tight
Auth, RLS, secrets, dependencies, GDPR, encrypted backups: the essential cybersecurity checklist for any B2B Web App handling sensitive data.
Read the articleFAQ
The questions we hear most.
Direct contact
Let's talk about your project.
An idea, an MVP to validate, an app to modernize? Tell us about it — a founder gets back to you within 24 business hours with a first cost estimate, free and non-binding.
- contact@datafuse.fr
- Paris, Île-de-France · France